Feature spec
Goal: Send a clear invoice after finishing a job.
- Add a client, line items, a due date, and payment instructions.
- Preview the total before exporting a PDF.
- Keep an editable draft if export fails.
Welcome to Penny Finder! Where like-minded, savings savvy, penny pinching people come to find the latest and greatest penny finds from Dollar General*!
$2.99 · In-app purchases
Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
Combine features and design from your favorite apps.
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Generating… usually about a minute.
What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.
States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.
Hypothesis: Contractors need faster repeat invoices more than more templates.
First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.
The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.
Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.
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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for Penny Finder: map the core Shopping workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.
Hypothesis 1
Assumption to check: Poor user reviews and low ratings due to bugs and crashes
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited discounts and deals available
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Difficult search functionality
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Outdated UI design
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Welcome to Penny Finder! Where like-minded, savings savvy, penny pinching people come to find the latest and greatest penny finds from Dollar General*! WE NOW HAVE OVER 3700+ VERIFIED PENNY ITEMS AND COUNTING! Join the THOUSANDS of other Penny Finders! Penny Finder crowdsources information from our users and catalogs items into a database...AKA we put them in a nice searchable table! You can: - Scan a barcode and the app will tell you if an item is a penny based on other user's discoveries (This app is not a Price Scanner, it's a Penny Scanner) - OFFLINE MODE: Our app will still work even if you have no internet, just make sure you have downloaded the list at least once. - Add your own Penny Items to the list using our Penny Scanner! - Post your amazing finds on our Haul Wall! - Most Recent Penny Finds are highlighted in green and at the top - You can flag penny items that you know are full price to have them removed. - You can add Penny Items to your favorites for quick viewing later. WHAT WE ASSUME YOU KNOW BEFORE YOU DOWNLOAD: We assume that you know what penny items are. We assume you know what store this app is for. We assume that you know that UPC codes are very important and critical to finding the correct penny items. (you shouldn't penny shop based off only images). WE CANNOT GUARANTEE THAT THE STORES YOU VISIT WILL HAVE PENNY ITEMS. THIS APP IS NOT A PRICE SCANNER, it's a Penny Scanner. ***The Penny Scanner's performance is based on the frame rate of your camera on your device. (Which means older devices such as an iPhone 4S and older model iPods/iPads will scan slower using the Penny Scanner than new devices that have considerably better cameras.) *PENNY FINDER IS NOT ASSOCIATED, AFFILIATED, SPONSORED BY, OR ENDORSED BY DOLLAR GENERAL.
Written user reviews are not shown here. Check current App Store reviews >
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
From the Build Kit assessment.
A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.